.flex-center {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.box {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}
.box div {
  width: 90%;
  height: 24%;
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  background-color: aliceblue;
  color: #757272;
}
